Home / 16,072.68-24,112.98-4,979.64

Finding the Fourth Proportional to 16,072.68, 24,112.98 and 4,979.64

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Solution

The fourth proportional to 16,072.68, 24,112.98 and 4,979.64 is: 7,470.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,072.68 : 24,112.98 = 4,979.64 : x
  2. Step 2: Convert to fraction form
    16,072.68/24,112.98 = 4,979.64/x
  3. Step 3: Cross multiply
    16,072.68x = 24,112.98 × 4,979.64
  4. Step 4: Simplify right side
    16,072.68x = 120,073,959.73
  5. Step 5: Solve for x
    x = 120,073,959.73/16,072.68
  6. Step 6: Final answer
    x = 7,470.69

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.